It's staggering that more than 60 percent of the population is overweight or obese in the United States and many European countries. This makes it essential for scientists and researchers to determine how best to manage this health problem, especially in children. An interesting new study out of the U.K. indicates that children who participate in just 15 minutes of moderate exercise daily are 50 percent less likely to be obese as compared with inactive children. Researchers also commented that higher intensity type physical activity could be more important than the total amount of physical activity. Researchers were surprised at how such a small amount of activity per day could have such significant results.